Category: sinkholes I


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The Oregonian

Sinkholes, slides endanger entire neighborhood in Tillamook

By Laura Gunderson | The Oregonian/OregonLive
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on December 13, 2015 at 7:00 AM, updated December 13, 2015 at 7:01 AM

Seven families in a cluster of hillside homes above the Tillamook River spent the past week watching the two roads they live on slip, buckle and tangle into a slide of rocks, mud and trees.

It began Monday as a few little cracks on Burton Hill Road, just outside Tillamook. By Wednesday the cracks had collapsed into a quarter-mile series of sinkholes and creeping mud that put three homes at risk, pushed a barn off its foundation and left homeowners fearful of what will move next.

As the rains continue, they say only one thing is clear:

No one is coming to the rescue.

Morgan Kottre, 27, said she and her neighbors – some of them relatives – have been told by county, state and federal officials that they don’t qualify for assistance because Burton Hill Road and the lower Hillside Drive are private roads on private land. Same story from at least one insurance company. Kottre said a representative told one family the devastation qualifies as an “act of god,” which the insurer doesn’t cover.

“In theory, we could try to fight it,” she said, “but right now we’re just trying to fight the land.”

Storms over the past week that have brought flooding and landslides across northwestern Oregon. On Saturday afternoon, blizzard conditions closed three highways in Southern Oregon. The extreme weather has caused at least two deaths in Oregon and federal officials set early damage estimates at about $15 million.

Tillamook County was among the 13 counties where Oregon Gov. Kate Brown declared a state of emergency. In fact, not far from Kottre’s home on Saturday night, the town of Oceanside was cut off as the only road out of town was closed due to a failed culvert.

 

Read More and See Additional Photos Here

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KREM

Wettest day in Portland history causes landslides, floods

PORTLAND, Ore. — Monday was the wettest calendar day in recorded history in Portland, and the rain is expected to stick around for days.

KGW meteorologist Matt Zaffino said nearly 2.7 inches of rain on Monday tied a record for one day, from 12:01 a.m. to 12:00 a.m. The previous record was set on Nov. 19, 1996. More rain is forecast for Monday night, and Zaffino said the record is sure to break.

The storm that caused floods, landslides, road closures and even a sinkhole is expected to bring its next wave of heavy rain on Tuesday, possibly during the evening commute.

People should expect delays in every mode of transportation in the metro area for the next several days, according to the Portland Bureau of Transportation.

Authorities were offering sand bags to any area residents who need them.

At a news conference Monday afternoon, Portland Bureau of Transportation spokesman Dylan Rivera called the weather an “extraordinary event that had extraordinary impacts.”

Rivera said 5.61 inches of rain have fallen so far this month, with three inches falling within a 12-hour period.

The December average for rainfall in the metro area is 5.49 inches.

KGW Meteorologist Rod Hill said said the worst of the storm has not even hit yet.  That will likely happen on Tuesday night and continue into Thursday.

 

Read More Here

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Residents horrified as gaping 20-foot SINKHOLE opens up on housing estate built over abandoned colliery

  • Huge 20ft sinkhole has opened up on a residential street above old working mine in Gosforth area of Newcastle
  • The huge crater fell in above an abandoned colliery just before 10am with residents reporting a ‘rumbling sound’
  • No one was injured in the incident but police and council officials remain on site investigating cause of incident

Residents have been left horrified after a 20ft sinkhole suddenly opened up on a housing estate built over an abandoned colliery.

The huge crater appeared above old mine workings at Craster Square in the Coxlodge area of Gosforth, Newcastle upon Tyne, just before 11am today.

Dramatic pictures show the sheer size of the deep hole, which stretches the width of the road, and how it has left one lone car stranded on a driveway.

 

The huge 20ft sinkhole appeared on a residential street, in front of a set of garages (pictured), above an abandoned colliery at Craster Square in the Gosforth area of Newcastle upon Tyne just before 11am today. No one was injured but the site has now been cordoned off

No one was injured when the 20ft crater (pictured) suddenly appeared, although police and officials remain at the site this afternoon

No one was injured when the 20ft crater (pictured) suddenly appeared, although police and officials remain at the site this afternoon

The sinkhole was reported to the police by a resident called Doreen, who said she was sorting out her garage when she heard 'rumbling'

The sinkhole was reported to the police by a resident called Doreen, who said she was sorting out her garage when she heard ‘rumbling’

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Incredible drone footage shows huge 600ft sinkhole that opened up in IHOP parking lot and swallowing 15 cars WHOLE

  • Customers at the IHOP were shocked when they heard booms and looked out to see ground opening up
  • Authorities are trying to figure out why the sinkhole opened up outside the restaurant on Meridian, Mississippi
  • Restaurant’s parking lot was built over a drainage ditch which appears to have collapsed creating the sinkhole
  • More than a dozen vehicles were swallowed up in the sinkhole but no-one is believed to have been hurt
Around 15 cars which were parked behind the restaurant fell into the chasm, while one had a lucky escape and can be seen teetering on the edge

Around 15 cars which were parked behind the restaurant fell into the chasm, while one had a lucky escape and can be seen teetering on the edge

A massive sinkhole has opened up at a Mississippi IHOP parking lot – swallowing up more than a dozen parked cars as diners looked on in horror.

Incredible aerial footage, shot by a drone, shows the gaping chasm that opened up outside the restaurant in Meridian, Mississippi, on Saturday night.

The sinkhole appears to have been caused after part of the restaurant’s parking lot, which was built over a drainage ditch, collapsed in on itself.

Witnesses say they heard huge booms before the hole started to widen taking in car after a car until it stretched 54ft across and a staggering 600ft long.

Aerial footage, shot by a drone, shows the gaping chasm that opened up outside the restaurant in Meridian, Mississippi, on Saturday night

Aerial footage, shot by a drone, shows the gaping chasm that opened up outside the restaurant in Meridian, Mississippi, on Saturday night

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Sinkhole swallows car amid Sicily downpour

The sinkhole opened up on a road near Catania. Photo: Vigili del Fuoco

Published: 22 Oct 2015 10:27 GMT+02:00

The car plunged five metres through the eight-metre wide hole on a road in Valverde, in the province of Catania.

The female driver made a miraculous escape having just parked the vehicle before the hole opened up, Corriere reported.

It was then hauled out by firefighters with a crane. The scene was captured on the video below.

Heavy rain has swept across Sicily over the past couple of days, with the Catania area faring the worst.

 

 

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Retirement community sinkhole reopens four days after it was filled in and has now doubled in size to 65 feet wide

  • The sinkhole appeared between two houses on Saturday in Villages, Florida
  • Crews spent much of Saturday and Sunday filling in the hole to stabilize it
  • But on Wednesday the hole reopened and has now grown from 25 feet wide to 65 feet wide 
  • No one has been evacuated from the retirement community yet

By Associated Press and Ashley Collman

A sinkhole between two houses in a sprawling Florida retirement community that was plugged over the weekend appears to be opening again.

Authorities said Wednesday that the hole has expanded from 25 feet wide and 50 feet deep to 60 feet wide and 70 feet deep. Safety crews are on scene.

Rich Corr lives next door to the house which had been at the center of the sinkhole drama. He told The Villages Daily Sun that he and his wife are packing their bags.

 

Out of control: A sinkhole that was filled over the weekend in the Villages, Florida reopened Wednesday and has grown from 25 feet wide to 65 feet wide. Pictured above on Wednesday

Out of control: A sinkhole that was filled over the weekend in the Villages, Florida reopened Wednesday and has grown from 25 feet wide to 65 feet wide. Pictured above on Wednesday

 

In this photo taken April 19, 2014, a sinkhole is seen between two homes, The Villages Daily Sun reports the homes were vacant when the sinkhole, which was already under repair, expanded Saturday

In this photo taken April 19, 2014, a sinkhole is seen between two homes, The Villages Daily Sun reports the homes were vacant when the sinkhole, which was already under repair, expanded Saturday

Over the weekend, repair crews filled the sinkhole after neighbors noticed it was growing and alerted authorities. At that time, a Tampa firm had been working on the sinkhole for about three weeks.

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rainbeaudais . rainbeaudais .

Published on Feb 25, 2014

Note: This bubble site is NOT 5 miles away from the sinkhole or Bayou Corne as is being falsely reported on other sites, but approx 3/4 mile. Google Earth Gator Gold Casino in Belle Rose, La. for full view.

Also, please read Assumption Parish updates after video footage.

Ongoing updates on the Facebook page:

https://www.facebook.com/BayouCorneSi…

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WAFB 9

Residents who remain near Bayou Corne sinkhole say they’re losing faith

Posted: Feb 27, 2014 5:13 PM CST Updated: Feb 27, 2014 5:13 PM CST

 

BAYOU CORNE, LA (WAFB) –

The people of Bayou Corne can’t seem to catch a break. Just when they thought activity around the 27 acre sinkhole had gone quiet, bubbles started popping up closer to their homes.

People who live there say they are losing faith.

“There’s probably less than 20 percent who are here,” John Boudreaux, Director for the Assumption Parish Office of Emergency Preparedness, said. “Most of the residents have moved out.”

There are still signs of life on Bayou Corne, but the backdrop to this small community has changed drastically. Well-landscaped yards are covered by overgrown-grass and neglected shrubs. The water along this popular sportsman’s paradise sits still.

Dead tumbleweed now marks the entrance of Herman Charlet’s house. He’s all but given up.

 

Read More Here

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WDAM 7

New bubbling site found near giant sinkhole

Posted: Feb 25, 2014 3:38 AM CST Updated: Feb 25, 2014 7:00 AM CST

Source: Assumption Parish OEP Source: Assumption Parish OEP
GRAND BAYOU, LA (WAFB) – Officials said a new bubbling site has been discovered near the massive sinkhole in south Louisiana.

According to the Assumption Parish Police Jury, bubbles were spotted on Grand Bayou, which runs along LA 69 in Assumption Parish.

Officials said the new bubbling site is “about a quarter-mile north of the Gator Corner.”

Texas Brine officials said they are working with the Louisiana Department of Natural Resources to investigate the cause of the bubbles and develop a path moving forward.

Click here to watch sinkhole videos

History of the Sinkhole

The sinkhole opened up in August 2012 and was roughly 1/24 of the size it is now. The sinkhole formed when an underground salt cavern collapsed.

Read More Here

 

The Assumption Parish, LA sinkhole continues to grow. The ground opened up on August 3, 2012 and residents were evacuated from their homes. Click here to see the photos from August 2012 until now.More >>

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Scientists: New Bubbles at Louisiana Sinkhole Site Could Signal Blast Risk

February 27, 2014

Authorities say state and parish agencies are testing to see whether newly discovered gas bubbles northeast of the Bayou Corne, La.-area sinkhole are tied to the swampland hole.

The Advocate reports the state Office of Conservation and contractor CB&I have taken samples of the gas bubbles to determine their source, though officials acknowledge the bubbles likely are connected to the sinkhole.

The new bubble site in Grand Bayou is about one-third of a mile north of La. 70 and La. 69, parish officials said. Most bubble sites tied to the sinkhole have been discovered in the Bayou Corne and Grand Bayou waterways and elsewhere farther to the west and south.

Previous sinkhole-related testing below Grand Bayou shows a 1- to 2-foot-thick gas layer exists in shallow sands under the new bubble site, said Patrick Courreges, spokesman for the state Department of Natural Resources.

 

Read More Here

 

Related stories:

 

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More sinkholes open up in Britain

Several cars that collapsed into a sinkhole in Bowling Green, Kentucky, in February 2014. Photo / National Corvette Museum/AP

Several cars that collapsed into a sinkhole in Bowling Green, Kentucky, in February 2014. Photo / National Corvette Museum/AP

A spate of sinkholes have opened up across the country as floodwater dissolves the underlying rock, while a “second wave” is likely to appear in the coming weeks as the rain stops and the ground begins to dry, the British Geological Survey warned yesterday.

The number of sinkholes reported has soared to six so far this month – many times more than the one to two that is typical across the whole of a normal year, experts said.

These have generally occurred as soluble rocks such as chalk, limestone and gypsum have been eroded by a sudden infusion of water from the heavy rainstorms which has made existing underground cavities bigger and causing the ground above it to collapse.

Read more:Sinkholes: What are they, how do they form and why are we seeing so many?

A house collapsed in Ripon this week when a sinkhole appeared following the erosion of the underlying gypsum.

This followed a particularly large 20ft deep sinkhole in a Hemel Hempstead garden on Saturday which forced the evacuation of about 20 homes.

“There has been a significant increase in sinkholes over the past few weeks and it’s reasonable to suggest that this is related to the increase in rainfall,” said Dr Vanessa Bank, of the British Geological Survey.

“How long this goes on for very much depends on the weather. But there is likely to be more rainfall and my personal opinion is that we are talking about weeks,” she added.

 

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GlobalResearchReport.com

On Saturday, a huge sinkhole opened up at the side of a house in Hemel Hempstead, Hertfordshire. Swallowing up half of the front lawn, it was 35ft wide and 20ft deep.

Last week, a hole as deep as a double-decker bus is high suddenly opened up in the back-garden of a house in South-East London, almost swallowing a child’s trampoline as the ground collapsed without warning.

Had the poor owner’s daughter been rushing out to play on the trampoline, she could have very easily have been seriously injured or even killed.

 25' Sinkhole Opens Up On Yorkshire Street

Dangerous: A 50ft-deep hole appeared in the central reservation on a section of the M2 in north Kent last week

Two weeks ago, there was a similarly narrow escape for a family living in High Wycombe, when, overnight, a deep hole appeared  without warning in the driveway just next to the house.

This time the adult daughter’s car did end up buried at the bottom of the hole, thankfully, while there was no one in it.

And in Kent last week, motorists hoping to use the M2 were left fuming by the motorway’s temporary closure, after a substantial hole — 15ft deep — suddenly appeared in the central reservation. Again, no one was hurt but had the hole opened up just a few yards away, it is obvious what a different story it could so easily have been.

All of these holes are what the public call sinkholes and now, after weeks of heavy rain, they seem to be appearing with ever greater regularity. Hard statistics are difficult to find — not least because sinkholes that appear on farmland often go unreported — but having studied them for 35 years, I’d estimate that sinkholes are currently appearing at four-to-five times their normal rate.

 
Gone: A Volkswagen Lupo was swallowed up by this sink hole in High Wycombe, Buckinghamshire

Gone: A Volkswagen Lupo was swallowed up by this sink hole in High Wycombe, Buckinghamshire

Brand new: Zoe Smith, 19, was given a replacement after the car was engulfed by the hole which developed outside her home

Brand new: Zoe Smith, 19, was given a replacement after the car was engulfed by the hole which developed outside her home

 

With more heavy rain forecast, I’d be surprised if we’ve seen the last sudden sinkhole of this winter.

Even when the rain does stop and warmer weather returns, for reasons that I’ll come to, there could be a second spate of them.

Strictly speaking — and as I work for the British Geological Survey I do need to be strict about these things — not all the big holes that have been appearing are sinkholes. Technically, a sinkhole is a hole that opens up when the surface layers collapse into a naturally made cavity. When the surface layers collapse into a cavity made by man  — and at least two of the recent holes are in areas where mining has been carried out in the past — then it should be called a dene or crown hole.

But given that both types are caused by a collapse into an underground cavity and the end result — a large, potentially dangerous hole in the ground at the surface — is the same, for the sake of simplicity, let us call them all sinkholes.

Certainly, anyone suffering the tragedy of having their house fall into one won’t be worrying about the difference. Fatalities caused by sinkholes in this country are thankfully very rare, but a homeowner in Florida did die in exactly those circumstances only last year.

Risk: Gretel Davidson feared she would have to pay around £10,000 after a sinkhole twice the height of a double-decker bus appeared in her garden in Banehurst, South-East London

Risk: Gretel Davidson feared she would have to pay around £10,000 after a sinkhole twice the height of a double-decker bus appeared in her garden in Banehurst, South-East London

The sheer size of sinkholes and their sudden appearance without warning does make them extremely hazardous. This explains why in  the superstitious distant past,  their appearance was often linked to misfortune.

Some saw them as a direct route to Hell itself; one near Darlington that collapsed in the 12th century  is called Hell Kettle and the  rising groundwater in it steams in the winter.

Of course, it’s not the Devil but all the heavy rain that lies behind the sudden spate of sinkholes. Rainwater dissolves limestone easily because it gets acidified from  carbon dioxide in the air and by  passing through rotting vegetation or certain types of rock.

The water dissolves rocks such  as chalk, limestone and gypsum, making existing natural underground cavities bigger. It also scours fine material out of existing cavities. In addition, it makes the surface layers of soil composed of such things as clay or gravel heavier as they become waterlogged.

Bit by bit, the cavity becomes a little bigger, the covering layers a little heavier until . . . snap . . . those covering layers no longer have the mechanical strength to span the cavity and suddenly they collapse into it, taking anything unfortunate to have been standing on the surface down with them.

Concern: A 35ft wide hole appeared underneath a home in Hemel Hempstead last week, prompting the surrounding properties to be evacuated

Concern: A 35ft wide hole appeared underneath a home in Hemel Hempstead last week, prompting the surrounding properties to be evacuated

It’s no accident that sinkholes often seem to appear next to a fairly substantial piece of civil engineering, such as a house or road, rather than underneath the piece of civil engineering itself.

As long as we put roofs on houses and impermeable cambers on our roads, rainwater will be thrown off the things being protected. It’s often where that rainwater ends up — by the side of the road, by side  of the house — that becomes  vulnerable to sinkholes.

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The burial ground that swallowed its graves: 50 coffin-shaped sinkholes appear in graveyard… in Gravesend

  • Dozens of coffin-shaped depressions have appeared in the ground
  • Authorities are trying to fill the sinkholes in Gravesend cemetery, Kent
  • Weeks of rain blamed for compacting loose soil on top of the graves
  • Visitors have been warned about ‘carpet’ of grass concealing holes
  • Around 50 graves affected by the subsidence over the past days

By Tom Gardner

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Dozens of coffin-shaped pits have opened up across a cemetery after weeks of rain caused the earth to give way over burial grounds.

The alarming sinkhole phenomenon, which have exposed around 50 unmarked graves, raised fears deep cavities might be concealed just below the grass.

Visitors are being warned to watch their step after the giant holes appeared at Gravesend Cemetery in Kent.

Collapse: Coffin-shaped holes have been opening up in the cemetery in Gravesend as a result of earth movements

Collapse: Coffin-shaped holes have been opening up in the cemetery in Gravesend as a result of earth movements

Warning: Visitors have been told to be careful where they step in this Gravesend cemetery after large holes began to open up

Warning: Visitors have been told to be careful where they step in this Gravesend cemetery after large holes began to open up

Several plots have sunk below ground level following weeks of heavy rain. 

Worried cemetery bosses have revealed they have never before seen graves sinking into the ground on such a scale.

A technique known as backfilling has so far failed, as the heavy rain has seen the soil compact down.

Now visitors have been warned to tread carefully – as holes may be lying underneath a mere ‘carpet’ of grass.

The graves, including those at another cemetery in neighbouring Northfleet, have been sinking into the ground over the last fortnight.

The cemetery in Gravesend where the grave plots have started sinking

The cemetery in Gravesend where the grave plots have started sinking

Unsettling: Heavy rain is being blamed for disturbing the earth and causing graves to collapse in on themselves

Patching up: The local council is busy backfilling the sunken graves with more soil

Patching up: The local council is busy backfilling the sunken graves with more soil

A Gravesham Council spokesman said: ‘It is quite common for graves to sink – especially after a period of heavy rain.

‘However none of the current staff has seen anything on this scale. Both cemeteries have been affected but Northfleet is smaller and has been more manageable.

‘There are two main reasons why it has happened.

WHY DO SINKHOLES HAPPEN?

Urban sinkholes are more common after heavy rain, because they are caused by water flowing through channels below ground and eroding away soil or soft rock like limestone.

As the earth is carried into other parts of the ground large caverns can open up, usually unknown to the authorities or the people living above them.

Once the cavern cannot support the weight of the topsoil above it, it collapses into the ground.

One of the world’s largest sinkholes, the Xiaozhai Tiankeng in China, is more than 2,000ft deep.

‘One is graves are backfilled with loose soil and they sink again once that soil gets so wet and heavy it compacts.

‘One of the first areas that showed a problem had been backfilled three times and needed doing again.

‘Secondly in the old section of the cemetery the graves are deeper, so there are larger cavities for the soil to sink into.

‘We have been working hard to top up the affected graves using extra staff from other teams.

‘It is a gradual process but it is a priority to deal with them.’

 

Read More Here

 

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